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Podcast: Mongabay Newscast
Episode: High CO2 levels are greening the world's drylands, is that good news?
Description: Drylands are vast and home to a wide array of biodiversity, while also hosting a large portion of the world's farmland, but they face continued desertification, despite many of them recently experiencing increased vegetation levels. Five million hectares (12 million acres) of drylands, an area half the size of South Korea, have been desertified due to climate change since 1980, but elevated CO2 levels are also driving a regreening of some areas, which some argue is a positive effect of pumping CO2 into the atmosphere. However, our guest on this episode says this isn't necessarily good news...